package com.example.day08;

import java.util.Scanner;

/**
 * @author Lenovo
 */
public class StringTest03 {
    public static void main(String[] args) {
        Scanner  sc =new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String line = sc.nextLine();
        int bigCount = 0;
        int smallCount = 0;
        int numberCount = 0;
        for (int i = 0; i < line.length(); i++) {
            char ch = line.charAt(i);
            if(ch>='A' && ch<='Z') {
                bigCount++;
            } else if(ch>='a' && ch<='z') {
                smallCount++;
            } else if(ch>='0' && ch<='9') {
                numberCount++;
            }
            }
        System.out.println("大写字母有："+bigCount);
        System.out.println("小写字母有："+smallCount);
        System.out.println("数字有："+numberCount);

    }
}
